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radioactive

[rey-dee-oh-ak-tiv] / ˌreɪ di oʊˈæk tɪv /
ADJECTIVE
active
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Any comic book fan knows that Spider-Man's secret identity is Peter Parker, a science nerd who gained superhero powers after being bitten by a radioactive spider.

From BBC Jul. 31, 2026

Separating and purifying the elements from mineral deposits often requires toxic chemicals, while radioactive substances are frequently present in the same geological formations.

From Science Daily Jul. 24, 2026

The Environmental Protection Agency website notes that “multiple government agencies” approved the deep-ocean disposal of some refinery and chemical waste and military and radioactive junk, but it doesn’t specify DDT.

From Los Angeles Times Jul. 15, 2026

Overuse of today’s AI models isn’t going to lead to a massive plume of radioactive fallout, but it could have a number of far-reaching consequences that will seem obvious in retrospect.

From The Wall Street Journal Jun. 21, 2026

Kennedy couldn’t shake the nightmare image of two people in rags, huddled in radioactive rubble, wondering how they got there.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin



Vocabulary lists containing radioactive


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